AI-NB25 Development Kit Manual Introduction This document defines the AI-NB25-EVB development board and its air interface and hardware interface connected with customer applications. This document can help customers quickly understand AI-NB25-EVB development board hardware interface specifications, electrical characteristics, mechanical specifications and other relevant information Interest.
Overview AI-NB25-EVB is a NB-IoT series development board with standard Arduino interface. Its physical dimension is 70mm × 66xmm ×11mm. AI-NB25-EVB development board can be used alone or in combination with STM32 -64 series development board for debugging and application Nucleo development.
3GPP standard. When the temperature returns to the normal operating temperature range, the indicators of the module still meet the 3GPP standard. 2.2. Functional Block Diagram The figure below is AI-NB25-EVB functional block diagram Figure 1: AI-NB25-EVB schematic diagram AI-Link Confidential...
AI-NB25 Development Kit Manual 2.3. Interface distribution diagram The following is the interface distribution diagram of AI-NB25-EVB. Figure 2: AI-NB25-EVB interface distribution Table 2: list of interfaces Type Location Description Power Input I/O AT_CMD Port USB power supply interface Arduino Interface...
D1 D2 D6 D7 Serial data transmission indicator Power indicator Power indicator of development kit 2.4. Arduino Interface Definition Overview The following is the Arduino interface diagram of AI-NB25-EVB. Figure 3: AI-NB25-EVB interface distribution AI-Link Confidential Page 7 of 17...
This chapter mainly introduces the specific operation method and process of AI-NB25-EVB, AI-NB25-EVB can be used for single board and AI-NB25 module firmware upgrade or develop and debug the Internet of things application based on AI-NB25 module; at the same time, use Arduino interface with STM32 Nucleo-64 Series development board is used to develop Internet of things applications based on STM32.
3.1.2. Process of Operation 1. Download and install the FTDI (usb-uart) chip driver The driver is provided by Ai-link technical support team and contact window is: jiaxin.li@changhong.com; 2. Insert micro USIM card into S1 card holder (Sim card need support NB-IoT mode);...
6. Turn the power option to the "Arduino" position and set all of the required jumpers; 7. Stack AI-NB25-EVB on nucleo-64 board through standard Arduino interface shown as above figure; 8. Connect the STM32 nucleo-64 development board with the computer through the Mini USB data cable, and you can also do the same connection between AI-NB25-EVK AT or gennie port with computer if necessary, then the driver can be shown in the "device manager”...
AI-NB25 Development Kit Manual STM32 nucleo-64 development board need optimized for multi board operation. Nucleo-64 board top view Nucleo-64 board bottom view AI-Link Confidential Page 11 of 17...
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AI-NB25 Development Kit Manual Table 3:STM32 Series MCU and AI-NB25-EVB Connection MCU (STM32) Arduino AI-NB25 Remarks UART0_NB_RX STM32_MCU_TX UART0_NB_TX STM32_MCU_RX PSM_EINT_N PSM Interrupt PB10 PWRKEY_N Power On NRST NRST RESET_N Rest NB-IoT PC1/PC0 A4,A5 UART1_NB_RX/TX Auxiliary UART Ports +5V Input 5.0V Power Supply...
The following table shows the operating and storage temperature ranges of the AI-NB25 module。 Table 5:Module operating and storage temperature range Parameter Typic Unit Normal operating temperature range º C Extended operating temperature range º C Storage temperature range º C AI-Link Confidential Page 13 of 17...
3GPP standard. 5.Mechanical Dimension This chapter describes the mechanical dimensions of AI-NB25-EVB. Dimensions are in mm with a tolerance of ± 0.15mm. 5.1. AI-NB25-EVB Mechanical Dimension 6: AI-NB25-EVB Dimension (Unit: mm)
AI-NB25 Development Kit Manual 6.AI-NB25-EVB Board and Accessories 6.1. AI-NB25-EVB Development Kit AI-NB25-EVB single board operation diagram Comments: AI-NB25-EVB single board operated schematic without ST32 nucleo-64 board AI-Link Confidential Page 15 of 17...
AI-NB25 Development Kit Manual 6.2. AI-NB25-EVB Accessories Packing form of AI-NB25-EVB as following for overview: Table 6:Accessories list Accessories Describe Quantity Antenna Rod NB-IOT antenna with SMA connector Signal data cable Micro USB cable Instructions Single page instruction for EVB accessories...
AI-NB25 User Manual Table 8: terms and abbreviations Abbreviation Describe DFOTA Differential firmware upgrade over-the-air Microcontroller unit NB-IoT Narrow band internet of things connector Small A Type UART Universal asynchronous receiver & transmitter Universal serial bus AI-Link Confidential Page 17 of 17...
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